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Showing 25 to 36 of 394 entries
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Second-harmonic generation in one-dimensional photonic edge waveguides.

Physical review. E, Statistical, nonlinear, and soft matter physics

Dumeige Y, Raineri F, Levenson A, Letartre X.
PMID: 14754346
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Dec;68(6):066617. doi: 10.1103/PhysRevE.68.066617. Epub 2003 Dec 31.

Diffraction losses in one-dimensional photonic crystal (PC) waveguides are the primary limitation on second-harmonic (SH) conversion efficiency. By using a finite difference time domain (FDTD) code taking into account second-order nonlinear polarization, we investigated these losses numerically, particularly at...

Interim cardiac replacement with a mechanical heart: staged cardiac transplantation.

Texas Heart Institute journal

Vaughn CC, Copeland JG, Cheng K, Austin J, Levinson M, Emery RW.
PMID: 15226831
Tex Heart Inst J. 1986 Mar;13(1):45-52.

Lack of donor heart availability complicates the management of terminally ill patients who are candidates for cardiac replacement. The total artificial heart has been used as a bridge to transplantation in three patients with terminal cardiomyopathy. Acute allograft rejection...

Photoluminescence ring formation in coupled quantum wells: excitonic versus ambipolar diffusion.

Physical review letters

Stern M, Garmider V, Segre E, Rappaport M, Umansky V, Levinson Y, Bar-Joseph I.
PMID: 19113751
Phys Rev Lett. 2008 Dec 19;101(25):257402. doi: 10.1103/PhysRevLett.101.257402. Epub 2008 Dec 19.

In this Letter, we study the diffusion properties of photoexcited carriers in coupled quantum wells around the Mott transition. We find that the diffusion of unbound electrons and holes is ambipolar and is characterized by a large diffusion coefficient,...

When most doctors are women: what lies ahead?.

Annals of internal medicine

Levinson W, Lurie N.
PMID: 15381521
Ann Intern Med. 2004 Sep 21;141(6):471-4. doi: 10.7326/0003-4819-141-6-200409210-00013.

The profession of medicine is becoming feminized: The number of women enrolled in medical school and residency programs has increased dramatically over the past several decades. Some researchers have examined how women are faring in the profession, but few...

Strongly resonant p-wave superfluids.

Physical review letters

Levinsen J, Cooper NR, Gurarie V.
PMID: 18233197
Phys Rev Lett. 2007 Nov 23;99(21):210402. doi: 10.1103/PhysRevLett.99.210402. Epub 2007 Nov 19.

We study theoretically a dilute gas of identical fermions interacting via a p-wave resonance. We show that, depending on the microscopic physics, there are two distinct regimes of p-wave resonant superfluids, which we term "weak" and "strong." Although expected...

Half a gram--a thousand lives.

Harm reduction journal

Levinson L.
PMID: 18577224
Harm Reduct J. 2008 Jun 24;5:22. doi: 10.1186/1477-7517-5-22.

The article presents information on the latest drug policy change in the Russian Criminal Code: a decrease of the drug threshold amounts for which possession can lead to a criminal liability. Also, the article presents an assessment of the...

Statistical corrections of linkage data suggest predominantly cis regulations of gene expression.

BMC proceedings

Shi J, Siegmund DO, Levinson DF.
PMID: 18466489
BMC Proc. 2007;1:S145. doi: 10.1186/1753-6561-1-s1-s145. Epub 2007 Dec 18.

Morley et al. (Nature 2004, 430:743-747) detected significant linkages to the expression levels of 142 genes (of 3554) at a reported threshold of genome-wide p = 0.001 (LOD asymptotically equal to 5.3), using 14 three-generation Centre d'Etude du Polymorphisme...

Are ceramic and metal implant abutments performance similar?.

Evidence-based dentistry

Keenan AV, Levenson D.
PMID: 20938467
Evid Based Dent. 2010;11(3):68-9. doi: 10.1038/sj.ebd.6400731.

DATA SOURCES: Medline, The Cochrane Library, bibliographies of identified studies and hand searching of the journals, Schweizer Monatsschrift fur Zahnmedizin (Acta Medicinae Dentium Helvetica) and Deutsche Zahnärztliche Zeitschrift and Implantologie.STUDY SELECTION: Randomised-controlled clinical trials, prospective and retrospective studies providing...

Review finds better endodontic surgery outcomes with microscope use.

Evidence-based dentistry

Levenson D.
PMID: 23258175
Evid Based Dent. 2012;13(4):108. doi: 10.1038/sj.ebd.6400892.

DATA SOURCES: Medline, Embase and PubMed databases were searched together with hand-searches of a range of journals (Journal of Endodontics, International Endodontic Journal, Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontics, Journal of Oral and Maxillofacial Surgery,...

Mastering relationship conflicts: discoveries in theory, research, and practice.

Psychotherapy research : journal of the Society for Psychotherapy Research

Levenson H.
PMID: 22475170
Psychother Res. 2003 Mar;13(1):127-8. doi: 10.1080/713869630.

No abstract available.

Electronic data collection and management system for global adult tobacco survey.

Online journal of public health informatics

Pujari SJ, Palipudi KM, Morton J, Levinsohn J, Litavecz S, Green M.
PMID: 23569638
Online J Public Health Inform. 2012;4(2). doi: 10.5210/ojphi.v4i2.4190. Epub 2012 Sep 14.

INTRODUCTION: Portable handheld computers and electronic data management systems have been used for national surveys in many high-income countries, however their use in developing countries has been challenging due to varying geographical, economic, climatic, political and cultural environments. In...

Delayed Onset and Prolonged ECT-Related Delirium.

Case reports in psychiatry

Hassamal S, Pandurangi A, Venkatachalam V, Levenson J.
PMID: 24078892
Case Rep Psychiatry. 2013;2013:840425. doi: 10.1155/2013/840425. Epub 2013 Sep 03.

Electroconvulsive therapy (ECT) is effective in the treatment of depression. Delayed post-ECT delirium is rare but can occur in a small subset of patients with risk factors and in most cases resolves with the use of psychotropic medications. We...

Showing 25 to 36 of 394 entries